Alright, let's work through 5805 times 3015 step by step
5805 × 3015 = 3015 × (5805)
+ 3015 × 5 that is equal 15075
+ 3015 × 00 yielding 0
+ 3015 × 800 which equals 2412000
+ 3015 × 5000 resulting in 15075000

= 17502075
